Top rated challenges

race

bowser's castle 3.50 : Finish in the 1st position in 100cc mirror, with Toad

race to win

coco land : Complete the track in 200cc mirror, with Diddy-kong, in 3rd place

No teams

Death Dodgers!

Squidward Summit : Complete the track in Time Trial mode, without falling, without touching any snowman nor snow ball

Unlock Shy Guy

Shell Cup(MK7) : Get the gold cup in Grand Prix mode, with 25 points or more

Speed is King

Pig Cup : Finish 1st 4 times in a row in VS mode, by performing 35 Mini-Turbos

With 8 participants, no teams

shortcut pinball land : Complete the track in less than 1:30 in 150cc, with 1 participant

coins

Bower's beach : Collect all coins in 150cc mirror, in less than 1:00

Item Box Challenge!

Piranha Plant Farm : Hit all item boxes in 150cc, in VS mode, in less than 1:30

Luigi's City TAS challenge. Good luck on beating it. :)

MK1(O) Luigi's City (Luigi's Highway) : Complete the track in Time Trial mode, in less than 1:24

Jump on the bumps all race

GBA Rainbow Road (Quick Mode) : Complete the track in less than 1:30 in VS mode, in less than 1:30

With 8 participants

Complete the track in 1:10 or less!

Thwomp Road : Complete the track in less than 1:10

Finish in 1st place!

Thwomps Castle 1 : Finish in the 1st position

Gelato's Rundown!!!

Snowball Square 2 : Finish in the 1st position in 150cc, with 20 participants, by performing 10 tricks, by starting with 10s delay, without touching any snowman, box, Goomba, Gift Box nor Red Toad, without falling, by performing 10 Mini-Turbos, in less than 2:00

In difficult mode

Golden Mud

Wario's Mud Bowl Bash : Collect all coins in VS mode, in 150cc

Slide Mayhem

Slide Hill : Slide on all 10 slides in 50cc, with 2 participants

Race Your Rival!

Wario's Mud Bowl Bash : Finish in the 1st position in VS mode, in 150cc, with 2 participants

Race Your Rival!

Shy Guy Speedway : Finish in the 1st position in VS mode, in 150cc, with 2 participants

Bowser's Game

Bowser's Omega Castle : Complete the track in VS mode, in 150cc, with 7 participants

Shy Guy's Time Trial Test

Bowser's Omega Castle : Complete the track in less than 2:30 in Time Trial mode, with Shy Guy

Turf Time

Bowser's Omega Castle : Finish in the 1st position in VS mode, in 150cc, with 6 participants